On heating 5.0g of a fresh sample of X to constant mass,1.80g was lost in the form of water vapour . Calculate the number of water molecules or water of crystallization in one molecule (H=1,O=16,an hydros form of X =160g)m

Draw metallic bonding if two copper

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?

Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback